July 20, 2025

THE FATHERS OF THE 900 Super-4 Model Z1

THE FATHERS OF THE
900 Super-4 Model Z1

Test driver Akihiko Kiyohara

Designer Norimasa Tada

Z1 planner Osamu Tanegashima

Frame designer Togashi Toshio

Test driver Nobuyuki Yamamoto

Engine designer Gyoichi Inamura

Research director Yukio Otsuki